Uncover the secrets of the world's most famous supervolcano!Are you ready for a middle grade series for ages 7-12 that blends heart-pounding danger with fascinating facts? Join Mia, Lucas, and Ben in the Hidden Places Mystery Adventures, an epic 22-book journey across America's most iconic landscapes.In Mystery in Yellowstone, the ground is breathing and a mystery is about to erupt. When the siblings arrive at the park, they find themselves in the middle of a science chapter book adventure where every steam vent hides a clue. This Yellowstone National Park fiction takes young National Park Junior Ranger stories fans into a world of "stinky science" and boiling mud pots.As one of the most engaging STEM adventure books available, it's perfect for those seeking outdoor adventure mysteries that teach while they thrill. This nature-themed mystery series is more than just fiction; it's one of those educational children's books that makes geology and biology unforgettable.Why this series is a must-have for classroom libraries: STEM Integration: Real-world science woven into a National Parks mystery for kids.Curriculum Support: Ideal for Earth Science and conservation studies.Collective Adventure: Part of a massive 22-book middle grade series for ages 7-12.Grab your backpack and start the Hidden Places Mystery Adventures today!